java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:15:42,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:15:42,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:15:42,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:15:42,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:15:42,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:15:42,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:15:42,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:15:42,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:15:42,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:15:42,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:15:42,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:15:42,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:15:42,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:15:42,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:15:42,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:15:42,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:15:42,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:15:42,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:15:42,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:15:42,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:15:42,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:15:42,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:15:42,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:15:42,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:15:42,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:15:42,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:15:42,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:15:42,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:15:42,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:15:42,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:15:42,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:15:42,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:15:42,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:15:42,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:15:42,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:15:42,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:15:42,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:15:42,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:15:42,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:15:42,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:15:42,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 23:15:42,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:15:42,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:15:42,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:15:42,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:15:42,183 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:15:42,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:15:42,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:15:42,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:15:42,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:15:42,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:15:42,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:15:42,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:15:42,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:15:42,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:15:42,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:15:42,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:15:42,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:15:42,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:15:42,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:15:42,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:15:42,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:15:42,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:15:42,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:15:42,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:15:42,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:15:42,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:15:42,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:15:42,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:15:42,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:15:42,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:15:42,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:15:42,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:15:42,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:15:42,243 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:15:42,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 23:15:42,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c9a7743/62fd137774f747e5809c6a332ba81913/FLAG6ced2ace7 [2019-09-20 23:15:42,797 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:15:42,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 23:15:42,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c9a7743/62fd137774f747e5809c6a332ba81913/FLAG6ced2ace7 [2019-09-20 23:15:43,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c9a7743/62fd137774f747e5809c6a332ba81913 [2019-09-20 23:15:43,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:15:43,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:15:43,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:43,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:15:43,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:15:43,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506a6d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43, skipping insertion in model container [2019-09-20 23:15:43,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,171 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:15:43,196 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:15:43,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:43,432 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:15:43,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:43,468 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:15:43,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43 WrapperNode [2019-09-20 23:15:43,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:43,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:15:43,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:15:43,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:15:43,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:15:43,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:15:43,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:15:43,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:15:43,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:15:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:15:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:15:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:15:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:15:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:15:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:15:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:15:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:15:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:15:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:15:43,980 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:15:43,980 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:15:43,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:43 BoogieIcfgContainer [2019-09-20 23:15:43,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:15:43,982 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:15:43,982 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:15:43,983 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:15:43,984 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:43" (1/1) ... [2019-09-20 23:15:43,985 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:15:44,010 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 23:15:44,011 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:15:44,019 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:15:44,030 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:15:44,032 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:15:44,124 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 23:15:44,415 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-20 23:15:44,537 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-20 23:15:44,722 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 23:15:45,021 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-20 23:15:45,252 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 23:15:45,622 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2019-09-20 23:15:45,961 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 23:15:46,248 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:15:46,248 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:15:46,250 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-20 23:15:46,251 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)) [2019-09-20 23:15:46,251 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#false [2019-09-20 23:15:46,268 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:15:46,269 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:15:46,272 INFO L168 Benchmark]: Toolchain (without parser) took 3120.72 ms. Allocated memory was 143.1 MB in the beginning and 251.1 MB in the end (delta: 108.0 MB). Free memory was 88.6 MB in the beginning and 184.0 MB in the end (delta: -95.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:46,274 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:15:46,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.21 ms. Allocated memory is still 143.1 MB. Free memory was 88.4 MB in the beginning and 78.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:46,277 INFO L168 Benchmark]: Boogie Preprocessor took 122.93 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 78.7 MB in the beginning and 179.6 MB in the end (delta: -100.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:46,278 INFO L168 Benchmark]: RCFGBuilder took 389.02 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 166.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:46,284 INFO L168 Benchmark]: Sifa took 2286.74 ms. Allocated memory was 201.9 MB in the beginning and 251.1 MB in the end (delta: 49.3 MB). Free memory was 166.4 MB in the beginning and 184.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:46,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.21 ms. Allocated memory is still 143.1 MB. Free memory was 88.4 MB in the beginning and 78.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.93 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 78.7 MB in the beginning and 179.6 MB in the end (delta: -100.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.02 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 166.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 2286.74 ms. Allocated memory was 201.9 MB in the beginning and 251.1 MB in the end (delta: 49.3 MB). Free memory was 166.4 MB in the beginning and 184.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2241, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 51, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 97, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 61, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1239, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 777, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2015, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2014, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 40, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 84#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 43]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 74#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)). Possible FailurePath: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...